- All sections
- B - Performing operationstransporting
- B31B - Making containers of paper, cardboard or material worked in a manner analogous to paper
- B31B 50/52 - Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers
Patent holdings for IPC class B31B 50/52
Total number of patents in this class: 71
10-year publication summary
|
6
|
7
|
7
|
8
|
6
|
9
|
8
|
13
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| WestRock Shared Services, LLC | 565 |
8 |
| Mpi, LLC | 19 |
7 |
| Packsize LLC | 294 |
5 |
| Altria Client Services LLC | 2206 |
4 |
| Sparck Technologies B.V. | 24 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43064 |
3 |
| Emmeci S.p.A. | 37 |
3 |
| Lancan Systems Inc. | 5 |
3 |
| Graphic Packaging International, LLC | 1484 |
3 |
| Nippon Paper Industries Co., Ltd. | 833 |
2 |
| Panotec SRL | 63 |
2 |
| Startechno Co., Ltd. | 36 |
2 |
| Mitsubishi Heavy Industries Machinery Systems, Ltd. | 453 |
2 |
| Bestboxit Inc. | 2 |
2 |
| Packsize, LLC | 5 |
2 |
| The Procter & Gamble Company | 22031 |
1 |
| Seiko Epson Corporation | 19458 |
1 |
| AFA Systems Ltd. | 19 |
1 |
| BoxEm ApS | 2 |
1 |
| C.M.C. S.p.A. | 37 |
1 |
| Other owners | 14 |